High-frequency acoustic noise emission excited by laser-driven cavitation

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A high-frequency part of the acoustic noise spectrum excited by laser-driven cavitation in liquid is investigated theoretically. It is assumed that the liquid is inviscid and compressible and the surface tension may be neglected. The specific heat ratio is taken to be 5/3. It is shown that, in the first approximation, the spectral density of the acoustic energy emitted by a cavity explosion varies as the -4/7 power of the frequency and asymptotically decreases by ∼ 3.4 dB/octave.

Original languageEnglish
Pages (from-to)77-84
Number of pages8
JournalJournal of Fluid Mechanics
StatePublished - 10 Jul 1996

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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